Paving Principles and Control Methods
Control Methods
P-32+ and P-32 Operator’s Manual P/ N: 1001547-01
Figure 27: Laser Control – Above Grade
As screed is lowered the beam of light hits the Laser Receiver above the center a raise signal is indicated
(Figure 28).
Figure 28: Laser Control – Below Grade
For the first pass, use slope control on one side of the screed and a Laser Receiver on the other side (Figure 29
on page 17).
For all subsequent passes, replace slope control with elevation control by using a Sonic Tracker. Continue to use
a Laser Receiver on the other side of the screed.
Make sure that the slope percentage of the laser and Slope Sensor are equal or the joints will not
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